Ember launches a temperature-controlled mug for all your espresso-based drinks

Ember introduces a smaller mug for enjoying your coffees, espresso-based drinks, or teas at the perfect temperature. The 6oz cup can be set at a precise temperature of 120°F - 145°F (50°C - 62.5 °C), which can be adjusted via the Ember app on your smartphone and it can hold that temperature for up to 1.5 hours or until your done with the included charging coaster. It also has a Smart LED that tells you when the mug has reached its set temperature and it has an Auto Sleep mode that knows when to shut off. 

$99, ember.com